2nd Class
Science
Our Environment
Soil

Soil

Category : 2nd Class

Soil

Soil is a thin layer of earth's crust, which serves as a natural medium for the growth of plants. In fact, soil is a source of minerals for plants. Plants also get water via soil, which is necessary for their growth. As life of human and other living organisms is fully dependent on plants, soil is also very important for the life of living organisms.

Look at the following picture of different types of soil:

Clay soil Sand soil Loamy soil

Which one of the following is true?

(a) Soil is not important for man

(b) Soil is not important for woman

(c) Soil is not important for animals

(d) Soil is very important for the life of living organisms

Answers: (d)

Explanation

Soil is important for the life of living organisms. Therefore, option (D) is correct and rest of the options is incorrect.

A plant cannot grow without _____.

(a) Flower

(b) Fruit

(c) Vegetables

(d) Soil

Answer: (d)

Explanation

Soil is an important requirement for the growth of plants. Therefore, option (D) is correct and rest of the options is incorrect.

Area of deserts are increasing continuously.

Near about 64, 000 square miles of rain forests are destroyed each year.

Nile river of Africa is the largest river on the earth.

Blue whale is the largest animal.

Australian saltwater crocodiles are the largest living reptiles on the earth.

Atmosphere is the mixture of gases surrounding celestial body,

The atmosphere of earth is mixture of gases.

Sea is a large saline water body and natural source of water.

River is natural source, of fresh water and flows into a oceans, seas, lakes and another river.

Lakes are inland having fresh or salt water.

Lakes are both natural and artificial.

Soil is very important for human and other living organisms as it provide nutrients for plants to grow.